<script setup>
import { getCategoryFilterAPI, getSubCategoryAPI } from '@/apis/category'
import { ref, onMounted } from 'vue'
import { useRoute } from 'vue-router'
import GoodItem from '../Home/components/GoodItem.vue'
// 获取面包屑导航数据
const categoryData = ref({})
const route = useRoute()
const getCategoryData = async () => {
   const res = await getCategoryFilterAPI(route.params.id)
   categoryData.value = res.result
}
onMounted(() => getCategoryData())

// 获取基础列表数据并渲染
const goodList = ref([])
const reqData = ref({
   categoryId: route.params.id,
   page: 1,
   pageSize: 20,
   sortField: 'publishTime'
})
const getGoodList = async () => {
   const res = await getSubCategoryAPI(reqData.value)
   goodList.value = res.result.items
}
onMounted(() => getGoodList())

// tab切换回调
const tabChange = () => {
   reqData.value.page = 1
   getGoodList()
}

// 加载更多
const disabled = ref(false)
const load = async () => {
   // 获取下一页数据
   reqData.value.page++
   const res = await getSubCategoryAPI(reqData.value)
   goodList.value = [...goodList.value, ...res.result.items]
   // 加载完毕，停止监听
   if (res.result.items.length === 0) {
      disabled.value = true
   }
}
</script>

<template>
   <div class="container ">
      <!-- 面包屑 -->
      <div class="bread-container">
         <el-breadcrumb separator=">">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">{{ categoryData.parentName }}
            </el-breadcrumb-item>
            <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
         </el-breadcrumb>
      </div>
      <div class="sub-container">
         <el-tabs v-model="reqData.sortField" @tab-change="tabChange">
            <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
            <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
            <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
         </el-tabs>
         <div class="body" v-infinite-scroll="load" :infinite-scroll-disabled="disabled">
            <!-- 商品列表-->
            <GoodItem v-for="good in goodList" :good="good" :key="good.id"></GoodItem>
         </div>
      </div>
   </div>
</template>



<style lang="scss" scoped>
.bread-container {
   padding: 25px 0;
   color: #666;
}

.sub-container {
   padding: 20px 10px;
   background-color: #fff;

   .body {
      display: flex;
      flex-wrap: wrap;
      padding: 0 10px;
   }

   .goods-item {
      display: block;
      width: 220px;
      margin-right: 20px;
      padding: 20px 30px;
      text-align: center;

      img {
         width: 160px;
         height: 160px;
      }

      p {
         padding-top: 10px;
      }

      .name {
         font-size: 16px;
      }

      .desc {
         color: #999;
         height: 29px;
      }

      .price {
         color: $priceColor;
         font-size: 20px;
      }
   }

   .pagination-container {
      margin-top: 20px;
      display: flex;
      justify-content: center;
   }


}
</style>